Rod sensor



FIG. 1 is a perspective view of the rod sensor of the invention as viewed from above;

FIG. 2 is a side elevational view of the rod sensor of the invention;

FIG. 3 is a bottom view of the rod sensor of the invention; and,

FIG. 4 is a top plan view of the rod sensor of the invention. 

The ornamental design for a rod sensor, as shown and described. 